Since it's a mana cheap instant, you can do this in response to targeted or sweeping removal to get cards, as a sacrifice or it can send something to your graveyard about to get exiled by Swords to Plowshares, or to get value out of a chump blocker about to die anyway
Creatures (2) Lands (22) Spells (36) Its not like you want the card disadvantage here
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Since Taekos ability has a blue and black hybrid mana cost to activate it, you can run Taeko with all the best Ninja creatures since theyre found in those colors
Its one of many, so lets get into it
Most decks will function well on a mix of land-based and mana-dork-based ramp, but some decks can benefit from other card choices: If your decks strategy synergizes with small creatures, consider playing more mana dorks